![\"\"](\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/879a0ee1-cf40-4e22-a6cf-abb9012443ee\/24198778-64d7-4c34-898e-abb9013729c4_undeformed.jpg?width=690&upscale=false\")
<\/p>\nHello,<\/p>\n
<\/p>\n
I’m trying to do a thermal\/structural simulation in Ansys 2019 R3 and then use the resulting deformed geometry in HFSS. Unfortunately I am experiencing a couple complications that I do not know how to resolve.<\/p>\n
<\/p>\n
Using a very basic model (a dielectric slab with three thin, conducting strips), I use HFSS to create my initial geometry (out of familiarity). I link it to “steady-state thermal” and “static structural” modules and perform those simulations to get the deformed geometry, which I then export to a “mechanical model” and then finally to “geometry”. I’ve attached an image depicting this linking in Workbench.<\/p>\n
<\/p>\n
Original geometry:<\/p>\n
<\/p>\n
<\/p>\n
Workbench flow:<\/p>\n
<\/p>\n
![\"\"](\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/879a0ee1-cf40-4e22-a6cf-abb9012443ee\/46366708-248b-420e-a844-abb90135b26f_workbench.jpg?width=690&upscale=false\")
<\/p>\n
<\/p>\n
Opening the final “geometry” with DesignModeler, the model has the expected deformation and there appears<\/em> to be no undesired gaps or intersecting geometry. If I export the model to file and then import it into a new instance of HFSS, the geometry appears similar to how it did in DM, but with intersecting geometry and\/or gaps. I’m not sure whether the problem has something to do with the quality of the export\/import process, or if it is a problem in the structural stage of the simulation (such as contacts or boundary conditions).<\/p>\n <\/p>\n Deformed geometry in DM: Deformed geometry in HFSS: <\/p>\n Intersection\/gaps aside, another complication in HFSS arises when it comes to defining the ports, as the surfaces aren’t planar in the deformed geometry. Is there a way to simply preserve an area of the geometry from deformation or is some sort of geometry truncation necessary before analysis in HFSS?<\/p>\n <\/p>\n Any advice or suggestions would be greatly appreciated. Thank you!<\/p>\n <\/p>\n <\/p>\n","protected":false},"template":"","class_list":["post-43896","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["16077"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["700"],"_bbp_subscription":["41496"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["43896"],"_bbp_forum_id":["27793"],"_bbp_engagement":["25","165063","173759","177102"],"_bbp_voice_count":["4"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["224668"],"_bbp_last_active_id":["224668"],"_bbp_last_active_time":["2022-01-19 21:23:26"]},"test":"brentdl"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/43896","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/43896\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=43896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"\"](\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/879a0ee1-cf40-4e22-a6cf-abb9012443ee\/f576345a-944b-4daa-9e62-abb901377476_deformed-dm.jpg?width=690&upscale=false\")
<\/p>\n![\"\"](\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/879a0ee1-cf40-4e22-a6cf-abb9012443ee\/4eb20de0-6a0c-4882-8b16-abb901379332_deformed-hfss.jpg?width=690&upscale=false\")
<\/p>\n